Check Point Advisories

Multipath TCP

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1782
Date Published:	1 Sep 2014
Severity:	Low
Last Updated:	Tuesday 09 September, 2014
Source:
Protection Provided by:	Security Gateway R77 R76 R75
Who is Vulnerable?	Servers
Vulnerability Description	Multipath TCP is a set of extensions to regular TCP that enables a single data flow to be separated and carried across multiple connections. An attacker might use these extensions to evade detection by IPS devices.

Protection Overview

This protection will detect and blocks attempts to use the Multipath TCP extensions.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update.For information on how to update IPS, go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R77 / R76 / R75 / R71 / R70

In the IPS tab, click Protections and find the Multipath TCP protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  TCP Enforcement Violation.
Attack Information:  Multipath TCP